The Mutex Club: Avoiding Concurrency Traffic Jams
Intro: When One Lock Becomes a Traffic Jam Imagine a nightclub bouncer armed with a single click-lock guarding the only bathroom. That’s your…
The Mutex Club: Mastering Java Parallel Merge Sort with ForkJoinPool
Key Insights # Divide and Conquer with ForkJoinPool ForkJoinPool is Java’s answer to your recursive parallel fantasies. It splits your array…
The Mutex Club: Building Bulletproof Job Schedulers with Smart Retries
Key Insights – Building a Job Scheduler with Retry # Balancing Reliability and Resources A modern job scheduler—whether you’re wiring up n8n,…
The Mutex Club: How Semaphore-Based Rate Limiters Actually Work (and Why They’re More Than Just Fancy Locks)
Semaphore Rate Limiting: The Velvet Rope for Your Threads Ever felt like your backend needed a bouncer? Enter semaphores. While mutexes get…
The Mutex Club: Mastering Singletons, Thread Safety & Double-Checked Locking
Key Insights # One Instance Only The singleton pattern guarantees a single class instance and global access. It’s ideal for loggers,…
The Dining Philosophers Problem: When Concurrency Goes From Fine Dining to Food Fight
Hungry for Answers: The Dining Philosophers Problem 🍽️ Picture this: five intellectuals, a bunch of forks, and way too much time to overthink.…
The Mutex Club: How (and Why) to Build a Thread-Safe LRU Cache
The Thread-Safe LRU Cache, Deconstructed So you want to join the Mutex Club—the secret society of devs who actually ship high-performance…
The Mutex Club: Producer-Consumer with BlockingQueue (No Lock Drama)
Key Insights # BlockingQueue as your thread bouncer Java’s BlockingQueue (java.util.concurrent) is the no-drama handoff between producers and…
The Mutex Club: The Readers-Writers Conundrum Driving Developers Insane
The Mutex Club: The Readers-Writers Conundrum Driving Developers Insane Ever tried juggling ten SELECTs and a lone UPDATE without watching…